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Looking for Life on Mars

Looking for Life on Mars

NASA launches its most ambitious hunt for traces of life on Mars, landing a car-sized rover in a rocky, ancient river delta. The rover will stow samples for possible return to Earth and test technology that may pave the way for human travel to Mars.
S48 E2 Length 53:46 Premiere: 2.24.21

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NOVA

About NOVA

NOVA brings you stories from the frontlines of science and engineering, answering the big questions of today and tomorrow, from how our ancestors lived, to whether parallel universes exist, to how technology will transform our lives. Visit the official website to watch full-length documentaries, or explore our world through short-form video, on our digital publication NOVA Next.

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Reef Rescue

Scientists from around the world are rushing to help corals adapt to a changing climate through assisted evolution.

  • Wednesday April 21, 2021 9:00 pm ET on KET
  • Wednesday April 21, 2021 8:00 pm CT on KET
  • Thursday April 22, 2021 1:00 pm ET on KET
  • Thursday April 22, 2021 12:00 pm CT on KET
  • Friday April 23, 2021 2:00 am ET on KET
  • Friday April 23, 2021 1:00 am CT on KET
  • Sunday April 25, 2021 7:00 pm ET on KET2
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  • Tuesday April 27, 2021 3:00 am ET on KET2
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Secrets of Noah's Ark - S42 E12

A 3,700-year-old inscribed clay tablet reveals a surprising new version of the Biblical flood story, complete with how-to instructions for assembling an ark. Following the directions, expert boat builders assemble and launch a massive reed boat.

  • Friday April 30, 2021 2:00 am ET on KET
  • Friday April 30, 2021 1:00 am CT on KET
  • Sunday May 2, 2021 7:00 pm ET on KET2
  • Sunday May 2, 2021 6:00 pm CT on KET2
  • Tuesday May 4, 2021 3:00 am ET on KET2
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Fighting for Fertility

Explore barriers to fertility, from social to biological, and assisted reproductive technologies. Follow the journeys of people navigating challenges from structural inequalities and racism to falling sperm counts, egg freezing and IVF.

  • Wednesday May 12, 2021 9:00 pm ET on KET
  • Wednesday May 12, 2021 8:00 pm CT on KET
  • Thursday May 13, 2021 12:00 pm ET on KET
  • Thursday May 13, 2021 11:00 am CT on KET
  • Friday May 14, 2021 2:00 am ET on KET
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  • Sunday May 16, 2021 7:00 pm ET on KET2
  • Sunday May 16, 2021 6:00 pm CT on KET2
  • Tuesday May 18, 2021 3:00 am ET on KET2
  • Tuesday May 18, 2021 2:00 am CT on KET2

Hindenburg: The New Evidence

A new investigation into the 1937 Hindenburg disaster includes a set of experiments that tests scenarios that may have led to the Hindenburg's ignition.

  • Wednesday May 19, 2021 9:00 pm ET on KET
  • Wednesday May 19, 2021 8:00 pm CT on KET
  • Thursday May 20, 2021 12:00 pm ET on KET
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  • Friday May 21, 2021 2:00 am ET on KET
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Picture a Scientist

  • Tuesday April 20, 2021 3:00 am ET on KET2
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  • Friday April 16, 2021 12:00 pm ET on KET
  • Friday April 16, 2021 11:00 am CT on KET
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  • Wednesday April 14, 2021 9:00 pm ET on KET
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Lethal Seas - S42 E11

  • Sunday April 18, 2021 7:00 pm ET on KET2
  • Sunday April 18, 2021 6:00 pm CT on KET2

Colosseum - Roman Death Trap - S42 E6

  • Tuesday April 13, 2021 3:00 am ET on KET2
  • Tuesday April 13, 2021 2:00 am CT on KET2
  • Sunday April 11, 2021 7:00 pm ET on KET2
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Mystery Beneath the Ice - S43 E3

  • Tuesday April 6, 2021 3:00 am ET on KET2
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Saving the Dead Sea - S46 E7

  • Tuesday March 30, 2021 3:00 am ET on KET2
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  • Thursday March 25, 2021 1:00 pm ET on KET
  • Thursday March 25, 2021 12:00 pm CT on KET
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Dead Sea Scroll Detectives - S46 E20

  • Tuesday March 23, 2021 3:00 am ET on KET2
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Top

Season 48 Episodes

Search Engine Breakdown
S48 E101 Length 20:37 Premiere Date 4.14.21

Reef Rescue
S48 E4 Length 53:21 Premiere Date 4.21.21

Picture a Scientist
S48 E3 Length 1:33:06 Premiere Date 4.14.21

Looking for Life on Mars
S48 E2 Length 53:46 Premiere Date 2.24.21

Secrets in our DNA
S48 E1 Length 53:26 Premiere Date 1.13.21

Looking for Life on Mars Preview
Preview Length 00:30 Premiere Date 2.24.21

Why NASA is Back on Mars
Clip Length 05:10 Premiere Date 2.24.21

This NASA Scientist Helps Prevent Mars from Contamination
Clip Length 04:58 Premiere Date 2.24.21

Feast Your Eyes on the First-Ever Mars 2020 Mission Videos
Clip Length 04:31 Premiere Date 2.24.21

This University Monitors COVID-19 Through Saliva Testing
Clip Length 06:53 Premiere Date 1.15.21

Lingering Symptoms from COVID-19 are “Unprecedented”
Clip Length 05:05 Premiere Date 2.4.21

New COVID-19 Variants Spread More Easily
Clip Length 07:15 Premiere Date 2.4.21

Why Misinformation Matters
Clip Length 02:41 Premiere Date 2.11.21

Dream Hacking: Decisions, Addictions, and Sleep
Clip Length 14:34 Premiere Date 2.18.21

How Mask-Wearing Misinformation Became a Reality
Clip Length 05:38 Premiere Date 2.23.21

The Big Lie about Monarch Butterflies
Clip Length 09:25 Premiere Date 3.15.21

Origins of Misinformation and How it Spreads
Clip Length 05:47 Premiere Date 3.15.21

Texas' Power Grid Trouble is Far From Over
Clip Length 08:23 Premiere Date 3.20.21

Specials

Picture a Scientist (with Audio Description)
Length 1:52:37 Premiere Date 4.14.21

Looking for Life on Mars (with Audio Description)
Length 53:46 Premiere Date 2.24.21

Beyond the Elements: Life (with Audio Description)
Length 53:17 Premiere Date 2.17.21

Beyond the Elements: Indestructible (with Audio Description)
Length 53:17 Premiere Date 2.10.21

Beyond the Elements: Reactions (with Audio Description)
Length 53:17 Premiere Date 2.3.21

Secrets in our DNA (with Audio Description)
Length 53:26 Premiere Date 1.13.21

Treasures Metals Eiffel Tower
Length 02:09 Premiere Date 12.9.16

A Labyrinth of Lava
Length 01:13 Premiere Date 11.2.15

Driving Dinosaur Diversity
Length 01:47 Premiere Date 10.22.15

Pangea
Length 00:56 Premiere Date 10.22.15

Making Granite From Volcanic Rock
Length 02:16 Premiere Date 10.22.15

A Massive Volcanic Eruption
Length 01:14 Premiere Date 10.22.15

From Mud to Rock
Length 01:36 Premiere Date 10.22.15

Finding Stromatolites
Length 01:23 Premiere Date 10.22.15

Stromatolites Were Kings
Length 01:05 Premiere Date 10.22.15

Ancient Life
Length 00:28 Premiere Date 10.22.15

Millions of Years Captured in Chalk
Length 01:17 Premiere Date 10.22.15

A Fourteen-Foot Fish From Kansas
Length 01:38 Premiere Date 10.22.15

Hell Creek Formation
Length 01:10 Premiere Date 10.22.15

No Dinosaurs Above the Line
Length 02:00 Premiere Date 10.22.15

Mammal Survivors
Length 01:40 Premiere Date 10.22.15

Dinosaur Fossils
Length 01:53 Premiere Date 10.22.15

King of Gore
Length 02:00 Premiere Date 10.22.15

Manhattan Skyline
Length 00:52 Premiere Date 10.21.15

New York's Mountains
Length 01:13 Premiere Date 10.21.15

Rock Time Capsules
Length 01:18 Premiere Date 10.21.15

The Sandstone Top of the Canyon
Length 01:15 Premiere Date 10.21.15

Fossil-Filled Limestone
Length 00:54 Premiere Date 10.21.15

The Grand Canyon's Oldest Rocks
Length 00:19 Premiere Date 10.21.15

From Lava to Land
Length 02:14 Premiere Date 10.21.15

Semi-Precious Pebbles
Length 00:57 Premiere Date 10.21.15

Five Steps of Volcanic Rock
Length 00:26 Premiere Date 10.21.15

Tearing North America Apart
Length 01:01 Premiere Date 10.21.15

Fossilized Sand Dunes
Length 01:15 Premiere Date 10.21.15

Volcanoes of Sand
Length 01:33 Premiere Date 10.21.15

Rockies 2.0
Length 02:00 Premiere Date 10.21.15

Manhattan Schist
Length 01:13 Premiere Date 10.21.15

Grand Canyon 4
Length 00:19 Premiere Date 8.2.15

Mendenhall Glacier
Length 02:51 Premiere Date 8.2.15

Monument Rocks 1
Length 01:18 Premiere Date 8.2.15

Monument Rocks 2
Length 01:48 Premiere Date 8.2.15

Exuma Cays 1
Length 01:26 Premiere Date 8.2.15

Exuma Cays 3
Length 00:28 Premiere Date 8.2.15

Exuma Cays 4
Length 03:22 Premiere Date 8.2.15

Gooseberry Falls 1
Length 00:57 Premiere Date 8.2.15

Gooseberry Falls 2
Length 00:24 Premiere Date 8.2.15

Gooseberry Falls 3
Length 01:06 Premiere Date 8.2.15

Gooseberry Falls 4
Length 01:01 Premiere Date 8.2.15

Mount Kilauea
Length 01:30 Premiere Date 8.2.15

Grand Canyon 1
Length 01:19 Premiere Date 8.2.15

Grand Canyon 2
Length 01:05 Premiere Date 8.2.15

Grand Canyon 3
Length 00:58 Premiere Date 8.2.15

Lethal Seas Excerpt 1
Length 04:11 Premiere Date 5.12.15

Lethal Seas Excerpt 2
Length 01:00 Premiere Date 5.12.15

Lethal Seas Excerpt 3
Length 00:35 Premiere Date 5.12.15

Lethal Seas Excerpt 4
Length 00:51 Premiere Date 5.12.15

The Mother of Hubble
Length 02:28 Premiere Date 4.14.15

Formation of a Typhoon
Length 01:34 Premiere Date 6.25.14

Flatfish Larvae
Length 00:51 Premiere Date 5.6.14

RNAi Explained
Length 01:47 Premiere Date 4.22.14

Dolphin Mirror
Length 03:18 Premiere Date 4.22.14

Dogs' Sense of Time
Length 01:28 Premiere Date 4.13.14

Cockatoo Excerpt
Length 01:30 Premiere Date 4.8.14

How Solar Cells Work
Length 00:33 Premiere Date 2.26.14

Solar Power's Promise
Length 00:51 Premiere Date 2.26.14

Microneedle
Length 01:41 Premiere Date 12.30.13

Non-Newtonian Gel
Length 01:00 Premiere Date 11.15.13

GM Plants
Length 01:27 Premiere Date 11.15.13

Soft-Story Buildings
Length 07:36 Premiere Date 11.13.13

Levitation
Length 00:50 Premiere Date 10.24.13

Superconductor
Length 01:47 Premiere Date 10.24.13

Animal Robot 1
Length 02:35 Premiere Date 10.24.13

Animal Robot 2
Length 02:02 Premiere Date 10.24.13

Therapeutic Hypothermia
Length 01:11 Premiere Date 10.24.13

Therapeutic Hypothermia 2
Length 01:07 Premiere Date 10.24.13

Therapeutic Hypothermia 3
Length 01:43 Premiere Date 10.24.13

Therapeutic Hypothermia 4
Length 02:01 Premiere Date 10.24.13

Swarming Robots
Length 01:31 Premiere Date 10.21.13

Sneak Peek: Making Stuff Wilder
Length 06:14 Premiere Date 10.21.13

Sail Wing
Length 01:02 Premiere Date 10.19.13

Hydrofoil
Length 01:01 Premiere Date 10.19.13

Chicken Feathers
Length 01:56 Premiere Date 10.19.13

KillaCycle
Length 00:48 Premiere Date 10.19.13

How Batteries Work
Length 00:49 Premiere Date 10.19.13

Muon Detection
Length 01:52 Premiere Date 10.19.13

Muons
Length 01:25 Premiere Date 10.19.13

Plants White
Length 02:11 Premiere Date 10.19.13

DNA Patch
Length 01:19 Premiere Date 10.19.13

DNA Vaccine
Length 00:38 Premiere Date 10.19.13

Earthquake Test
Length 02:03 Premiere Date 10.19.13

David Drives
Length 01:27 Premiere Date 10.19.13

Virus Battery
Length 02:21 Premiere Date 10.19.13

Shelley
Length 02:07 Premiere Date 10.19.13

Robot Arm
Length 00:56 Premiere Date 10.19.13

Elephant Arm
Length 01:22 Premiere Date 10.19.13

FinGripper
Length 00:55 Premiere Date 10.19.13

Hagfish Defense
Length 01:36 Premiere Date 10.17.13

Slime Clothes
Length 01:00 Premiere Date 10.17.13

Pitcher Plant
Length 01:48 Premiere Date 10.17.13

SLIPS
Length 01:01 Premiere Date 10.17.13

Hagfish
Length 00:51 Premiere Date 10.17.13

New York City One Year Later: Telecommunications
Length 03:14 Premiere Date 10.16.13

Sneak Peek: Making Stuff Faster
Length 05:06 Premiere Date 10.15.13

David's Race
Length 01:28 Premiere Date 10.15.13

Steffen's Plan
Length 01:59 Premiere Date 10.15.13

Traveling Salesman
Length 01:21 Premiere Date 10.15.13

Eye Robot
Length 01:51 Premiere Date 10.10.13

Corkscrew Robot
Length 00:32 Premiere Date 10.10.13

Slow Goldfish
Length 01:39 Premiere Date 10.10.13

Bee Toxin
Length 01:31 Premiere Date 10.10.13

Mild Traumatic Brain Injury
Length 03:36 Premiere Date 10.7.13

Invisibility Cloak
Length 01:22 Premiere Date 9.24.13

Shape Memory Alloys
Length 00:32 Premiere Date 9.8.13

Jellyfish
Length 00:38 Premiere Date 9.8.13

Bird Wings
Length 01:56 Premiere Date 9.8.13

Shrinking Chips
Length 01:06 Premiere Date 9.5.13

Pizza Transistor
Length 01:34 Premiere Date 9.5.13

Graphene
Length 01:11 Premiere Date 9.5.13

Wheat Straw Plastic
Length 01:04 Premiere Date 8.29.13

Solar Leaves
Length 00:53 Premiere Date 8.29.13

Battle Jacket
Length 01:49 Premiere Date 8.29.13

Oobleck
Length 00:40 Premiere Date 8.29.13

Magnetic Oobleck
Length 00:54 Premiere Date 8.29.13

Life-Saving Non-Newtonian Fluids
Length 01:43 Premiere Date 8.29.13

Silicon Transistors
Length 00:50 Premiere Date 8.29.13

Starling 8
Length 00:44 Premiere Date 7.15.13

sandy-raw-1-2
Length 00:04 Premiere Date 7.8.13

sandy-raw-5-1
Length 01:02 Premiere Date 7.8.13

Chemotherapy Goes Small
Length 01:17 Premiere Date 7.1.13

The Making of a Cloud Old
Length 03:10 Premiere Date 6.30.13

Why So Many Cloud Types?
Length 03:35 Premiere Date 6.30.13

Clouds and Weather
Length 03:21 Premiere Date 6.30.13

Severe Storms
Length 03:37 Premiere Date 6.30.13

The Climate Wild Card
Length 03:02 Premiere Date 6.30.13

Life on Europa?
Length 02:25 Premiere Date 6.9.13

CloudLab_Megastorm_03
Length 01:41 Premiere Date 5.29.13

CloudLab_Megastorm_04
Length 01:43 Premiere Date 5.29.13

CloudLab_Megastorm_05
Length 01:04 Premiere Date 5.29.13

CloudLab_Megastorm_06
Length 00:40 Premiere Date 5.29.13

CloudLab_Megastorm_07
Length 03:07 Premiere Date 5.29.13

CloudLab_Megastorm_01
Length 00:35 Premiere Date 5.28.13

CloudLab_Megastorm_02
Length 00:31 Premiere Date 5.28.13

What Made the 1918 Flu So Deadly?
Length 01:28 Premiere Date 5.13.13

How the 1918 Flu Infected People
Length 00:25 Premiere Date 5.13.13

Fertilizing the Amazon
Length 03:27 Premiere Date 4.21.13

Flu Probabilities
Length 01:53 Premiere Date 4.16.13

Rare Earth Elements
Length 04:17 Premiere Date 4.1.13

CHNOPS: Ingredients for Life
Length 02:36 Premiere Date 3.12.13

Electromagnetic Spectrum
Length 00:44 Premiere Date 2.28.13

MODIS Sensor
Length 00:26 Premiere Date 2.28.13

Solving the Storage Problem
Length 02:26 Premiere Date 10.25.12

Putting Energy to Use Old
Length 02:14 Premiere Date 10.8.12

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